CN205155150U - Independently sealing device is kept apart to grease discharging formula based on dust lip - Google Patents
Independently sealing device is kept apart to grease discharging formula based on dust lip Download PDFInfo
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- CN205155150U CN205155150U CN201520806852.XU CN201520806852U CN205155150U CN 205155150 U CN205155150 U CN 205155150U CN 201520806852 U CN201520806852 U CN 201520806852U CN 205155150 U CN205155150 U CN 205155150U
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- ring
- outer shroud
- inner ring
- stationary
- dust excluder
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Abstract
The utility model provides an independently sealing device is kept apart to grease discharging formula based on dust lip, just follow the rotating ring of the rotation of axes including quiet ring and cover in the axis of rotation, the cross -section of quiet ring is the F style of calligraphy inner ring B, outer loop B and go -between B, inner ring B's interior disc on be provided with the annular dust lip of 1 -3 strip, dust lip's cross -section be outer in wide narrow form, and the external slope of its the most inner orientation, the cross -section of rotating ring be the C style of calligraphy, it includes inner ring A, outer loop A and go -between A, the crisscross installation each other of rotating ring and quiet ring, dust lip is located between inner ring B and the inner ring A, be formed with tortuous reservoir between rotating ring and the quiet ring, the lubricating grease in the reservoir is under the inertial effect of gravity, centrifugal force and liquid, through the grease discharging hole groove flow direction external world. The device can prevent external pollutant to get into sealed chamber, can carry out autonomic grease discharging again simultaneously, and long service life is of a specified duration.
Description
Technical field
The utility model provides running shaft bearing housing or gear box lubricating oil labyrinth gland in a kind of machinery, particularly relates to a kind of autonomous row's fat formula isolating seal device based on dust excluder lips.
Background technique
Labyrinth seal is the belt sealing tooth establishing several to be arranged in order around rotatingshaft, forms a series of gap and expansion cavity of damming between tooth and tooth, and sealed medium produces throttle effect when the gap by tortuous labyrinth and reaches the device of the object of Drain Resistance.Owing to there is gap between the rotor of labyrinth seal and casing, without solid contact, and allowed thermal expansion, therefore adapt to the occasion of high temperature, high pressure, high speed-frequency, this seal form is widely used in steam turbine, gas turbine, compressor, the axle head of blower and the sealing of each inter-stage.But under some specific operating mode, the lubricant grease in Seal cage is that new and old circulation is carried out in requirement, and this just requires in usual operation process, and grease aging in Seal cage can be discharged by seal arrangement, thus provide space for new grease adds.Especially, in large-diameter equipment, adopt during grease lubrication and be difficult to realize grease timely replacement, therefore the mode of regular grease up must be adopted, degras is extruded.But, the current seal arrangement great majority directly row's of setting fat hole on stationary ring, but due to while discharge grease, extraneous dirt also can enter Seal cage by row fat hole, therefore, in use there is inconvenience.
Summary of the invention
The utility model provides a kind of autonomous row's fat formula isolating seal device based on dust excluder lips, solve the deficiency in background technique, this device can stop extraneous pollutant to enter Seal cage, and independently can arrange fat again, its performance is very excellent, long perfomance life simultaneously.
Realizing the technological scheme that the utility model above-mentioned purpose adopts is:
A kind of autonomous row's fat formula isolating seal device based on dust excluder lips, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, described stationary ring is fixed on the inside of equipment end cap, the cross section of described stationary ring is F font, comprise inner ring B, outer shroud B and connecting ring B, outer shroud B is enclosed within inner ring B, inner ring B and outer shroud B is fixed to one structure by connecting ring B, inner ring B is connected with connecting ring B with one end of outer shroud B, the other end is provided with relatively protruding sealing ring gear B, the bottom of described stationary ring is provided with row's fat hole slot, described row's fat hole slot is arranged in connecting ring B and outer shroud B on the position of connecting ring B, the inner headed face of described inner ring B is provided with the dust excluder lips of 1-3 bar ring-type, the cross section of described dust excluder lips is shape wide outside and narrow inside, and its inner terminal tilts towards the external world,
The cross section of described rotating ring is C font, it comprises inner ring A, outer shroud A and connecting ring A, wherein inner ring A contacts with rotatingshaft, outer shroud A is enclosed within inner ring A, inner ring A and outer shroud A is fixed to one structure by connecting ring A, one end and the connecting ring A of described outer shroud A fix, and the end on outer shroud A are also provided with sealing ring gear A;
Described rotating ring and the interlaced installation of stationary ring, outer shroud A is between inner ring B and outer shroud B, and the sealing ring gear A of outer shroud A is positioned at the sealing ring gear B of stationary ring, and dust excluder lips is between inner ring B and inner ring A, and the inner terminal of dust excluder lips withstands on the periphery of inner ring A; Be formed with tortuous liquid storage tank between rotating ring and stationary ring, the lubricant grease in liquid storage tank, under the effect of gravity, centrifugal force and liquid inertia, flows to extraneous through row's fat hole slot.
Described rotating ring and stationary ring are made up of metal frame and rubber layer, and wherein metal frame is positioned at the inside of stationary ring, and rubber layer is wrapped in the outside of metal frame.
Autonomous row's fat formula isolating seal device based on dust excluder lips provided by the utility model has the following advantages: seal arrangement provided by the utility model in use, lubricant grease in Seal cage can enter in the liquid storage tank between rotating ring and stationary ring by the gap location of outer shroud A and outer shroud B, lubricant grease flowed to bottom liquid storage tank before this under gravity, be subject to the impact of centrifugal force and lubricant grease self inertia, therefore lubricant grease can directly flow to extraneous through row's fat hole slot under gravity, plays the effect of autonomous row's fat.And the dust in the external world, sewage, foreign material etc., be subject to the stop of dust excluder lips, therefore cannot enter seal arrangement inside.
Accompanying drawing explanation
The overall structure schematic diagram of the autonomous row's fat formula isolating seal device based on dust excluder lips that Fig. 1 provides for the utility model;
In figure: 1-inner ring B, 2-outer shroud B, 3-connecting ring B, 4-seal ring gear B, and 5-arranges fat hole slot, 6-dust excluder lips, 7-inner ring A, 8-outer shroud A, and 9-connecting ring A, 10-seal ring gear A, 11-liquid storage tank.
Embodiment
Below in conjunction with accompanying drawing, detailed specific description is done to the utility model, but protection domain of the present utility model is not limited to following examples.
The structure of the autonomous row's fat formula isolating seal device based on dust excluder lips that the utility model provides as shown in Figure 1, comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, described rotating ring and stationary ring are made up of metal frame and rubber layer, wherein metal frame is positioned at the inside of stationary ring, and rubber layer is wrapped in the outside of metal frame.
Described stationary ring is fixed on the inside of equipment end cap, the cross section of described stationary ring is F font, comprise inner ring B1, outer shroud B2 and connecting ring B3, outer shroud B2 is enclosed within inner ring B1, inner ring B and outer shroud B is fixed to one structure by connecting ring B3, inner ring B is connected with connecting ring B with one end of outer shroud B, the other end is provided with relatively protruding sealing ring gear B4, the bottom of described stationary ring is provided with row's fat hole slot 5, and described row's fat hole slot 5 is arranged in connecting ring B and outer shroud B on the position of connecting ring B.The inner headed face of described inner ring B1 is provided with the dust excluder lips 6 of 1-3 bar ring-type, the cross section of described dust excluder lips is shape wide outside and narrow inside, and its inner terminal tilts towards the external world; Be provided with two dust excluder lips 6 in the present embodiment.
The cross section of described rotating ring is C font, it comprises inner ring A7, outer shroud A8 and connecting ring A9, wherein inner ring A7 contacts with rotatingshaft, outer shroud A8 is enclosed within inner ring A7, inner ring A and outer shroud A is fixed to one structure by connecting ring A9, one end and the connecting ring A of described outer shroud A fix, and the end on outer shroud A are also provided with sealing ring gear A10.
Described rotating ring and the interlaced installation of stationary ring, outer shroud A8 is between inner ring B1 and outer shroud B2, and the sealing ring gear A of outer shroud A is positioned at the sealing ring gear B of stationary ring, dust excluder lips 6 is between inner ring B1 and inner ring A7, and the inner terminal of dust excluder lips withstands on the periphery of inner ring A7; Extraneous dust, sewage, foreign material etc., be subject to the stop of dust excluder lips, therefore cannot enter seal arrangement inside.
Tortuous liquid storage tank 11 is formed between rotating ring and stationary ring, lubricant grease in Seal cage can enter in the liquid storage tank 11 between rotating ring and stationary ring by the gap location of outer shroud A and outer shroud B, lubricant grease flowed to bottom before this under gravity, be subject to the impact of centrifugal force and lubricant grease self inertia, therefore lubricant grease can directly flow to extraneous through row's fat hole slot under gravity, plays the effect of autonomous row's fat.
Claims (2)
1. the autonomous row's fat formula isolating seal device based on dust excluder lips, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, it is characterized in that: described stationary ring is fixed on the inside of equipment end cap, the cross section of described stationary ring is F font, comprise inner ring B, outer shroud B and connecting ring B, outer shroud B is enclosed within inner ring B, inner ring B and outer shroud B is fixed to one structure by connecting ring B, inner ring B is connected with connecting ring B with one end of outer shroud B, the other end is provided with relatively protruding sealing ring gear B, the bottom of described stationary ring is provided with row's fat hole slot, described row's fat hole slot is arranged in connecting ring B and outer shroud B on the position of connecting ring B, the inner headed face of described inner ring B is provided with the dust excluder lips of 1-3 bar ring-type, the cross section of described dust excluder lips is shape wide outside and narrow inside, and its inner terminal tilts towards the external world,
The cross section of described rotating ring is C font, it comprises inner ring A, outer shroud A and connecting ring A, wherein inner ring A contacts with rotatingshaft, outer shroud A is enclosed within inner ring A, inner ring A and outer shroud A is fixed to one structure by connecting ring A, one end and the connecting ring A of described outer shroud A fix, and the end on outer shroud A are also provided with sealing ring gear A;
Described rotating ring and the interlaced installation of stationary ring, outer shroud A is between inner ring B and outer shroud B, and the sealing ring gear A of outer shroud A is positioned at the sealing ring gear B of stationary ring, and dust excluder lips is between inner ring B and inner ring A, and the inner terminal of dust excluder lips withstands on the periphery of inner ring A; Be formed with tortuous liquid storage tank between rotating ring and stationary ring, the lubricant grease in liquid storage tank, under the effect of gravity, centrifugal force and liquid inertia, flows to extraneous through row's fat hole slot.
2. the autonomous row's fat formula isolating seal device based on dust excluder lips according to claim 1, it is characterized in that: described rotating ring and stationary ring are made up of metal frame and rubber layer, wherein metal frame is positioned at the inside of stationary ring, and rubber layer is wrapped in the outside of metal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806852.XU CN205155150U (en) | 2015-10-16 | 2015-10-16 | Independently sealing device is kept apart to grease discharging formula based on dust lip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806852.XU CN205155150U (en) | 2015-10-16 | 2015-10-16 | Independently sealing device is kept apart to grease discharging formula based on dust lip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155150U true CN205155150U (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520806852.XU Active CN205155150U (en) | 2015-10-16 | 2015-10-16 | Independently sealing device is kept apart to grease discharging formula based on dust lip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524812A (en) * | 2017-08-08 | 2017-12-29 | 东台市岳东橡胶密封件厂 | A kind of embedded rotating ring stationary ring attachment structure |
| CN110486473A (en) * | 2019-08-06 | 2019-11-22 | 昆明学院 | A kind of novel rotary rotating shaft lip-type packing |
-
2015
- 2015-10-16 CN CN201520806852.XU patent/CN205155150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524812A (en) * | 2017-08-08 | 2017-12-29 | 东台市岳东橡胶密封件厂 | A kind of embedded rotating ring stationary ring attachment structure |
| CN110486473A (en) * | 2019-08-06 | 2019-11-22 | 昆明学院 | A kind of novel rotary rotating shaft lip-type packing |
| CN110486473B (en) * | 2019-08-06 | 2021-03-19 | 昆明学院 | Novel rotary shaft lip-shaped sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171124 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Patentee after: New Polytron Technologies Inc in Hubei Address before: 435300 Dongfang garden, Cao he Town, Qichun County, Huanggang, Hubei Province, 5A-1-1301 Patentee before: Deng Lunsheng |